Series C Cyber Security Companies

Tailscale is a software company that provides zero-configuration virtual private networks (VPNs) for secure connectivity.

Cloudsmith is an artifact management platform designed to control, secure, and distribute software packages and containers effectively.

Fortress protects governments, critical infrastructure, supply chains, and digital assets from advanced cyber threats.

Auradine provides web infrastructure solutions encompassing blockchain, artificial intelligence, and privacy technologies.

Obsidian Security is a threat detection and posture management for business-critical saas applications.

Docker’s platform helps millions of developers efficiently and collaboratively build, share, and run applications.

WorkOS is a unified platform with modern APIs and SDKs for enterprise-ready features.

Eclypsium offers a platform for supply chain security for IT infrastructure.

Cape develops privacy-enabling technology that allows users to reclaim their privacy and security on electronic devices.

Balbix offers an AI-native cyber risk and exposure management platform to give security teams a real-time view of their attack surface.

UpGuard is a cybersecurity platform that focuses on managing cyber risks across vendor supply chains, attack surfaces, and human workforces.

Agentic AI for Audit and Advisory.

Beyond Identity provides passwordless identity management solutions to help secure digital business.

Deepwatch secures the digital economy by protecting enterprise networks via its cloud security platform.

GitGuardian specializes in Non-Human Identity security, detecting secrets in code and enhancing productivity in development environments.

Nucleus Security provides a platform for managing and prioritizing security and exposure data.

Tines is a no-code workflow automation platform designed especially for security teams.

Sublime Security develops an email security platform to write and run custom detection and response rules to block phishing attacks.

Filigran provides an open-source cybersecurity solutions including threat intelligence management and cyber risk management.

SEON is the command center for fraud prevention and AML compliance that enriches data, provides context and directs action.

Shift5 is a cybersecurity company that provides hardware and software solutions to defend operational technology (OT) platforms.

Ontic provides security management software unifying corporate data and operations, helping teams to manage physical and digital risks.

Wallarm is an API security platform that automates real-time application protection and security testing for APIs, apps, and microservices.

Safe Security provides cyber risk management solutions to quantify and manage enterprise‑wide cyber risk in real time.

CertifID is a SaaS security platform used to validate identity and securely transfer bank account information.